442012101 has 16 divisors (see below), whose sum is σ = 612583104. Its totient is φ = 283250304.

The previous prime is 442012079. The next prime is 442012117. The reversal of 442012101 is 101210244.

It is not a de Polignac number, because 442012101 - 2⁵ = 442012069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14776 + ... + 33201.

It is an arithmetic number, because the mean of its divisors is an integer number (38286444).

Almost surely, 2^442012101 is an apocalyptic number.

It is an amenable number.

442012101 is a deficient number, since it is larger than the sum of its proper divisors (170571003).

442012101 is a wasteful number, since it uses less digits than its factorization.

442012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48100.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 442012101 is about 21024.0838325954. The cubic root of 442012101 is about 761.7481118521.

Adding to 442012101 its reverse (101210244), we get a palindrome (543222345).

The spelling of 442012101 in words is "four hundred forty-two million, twelve thousand, one hundred one".